<template>
  <div class="update-name">
    <!-- 导航栏 -->
    <van-nav-bar
      title="设置昵称"
      left-text="取消"
      right-text="完成"
      @click-left="$emit('close')"
      @click-right="onUpdate"
    ></van-nav-bar>
    <!-- 导航栏 -->
    <!-- 输入框 -->
    <div class="field-wrap">
      <van-field
        v-model.trim="localName"
        rows="2"
        autosize
        type="textarea"
        maxlength="7"
        placeholder="请输入昵称"
        show-word-limit
      />
    </div>
    <!-- 输入框 -->
  </div>
</template>

<script>
import { updateUserProfile } from "@/api/user";
import { Toast } from "vant";
export default {
  name: "UpdateName",
  data() {
    return {
      localName: this.value,
    };
  },
  created() {},
  props: {
    value: {
      type: String,
      required: true,
    },
  },
  methods: {
    async onUpdate() {
      // 1. 展示登陆中 loading
      this.$toast.loading({
        message: "保存中...",
        forbidClick: true, // 禁用背景点击
        duration: 0, // 持续时间，默认 2000，0 表示持续展示不关闭
      });
      try {
        const localName = this.localName;
        if (!localName.length) {
          this.$toast("昵称不能为空");
          return;
        }
        await updateUserProfile({
          name: localName,
        });
        //更新视图
        this.$emit("input", localName);
        //关闭弹层
        this.$emit("close");
        //提示成功
        this.$toast.success("更新成功");
      } catch (err) {
        this.$toast.fail("更新失败");
      }
    },
  },
};
</script>

<style lang="less" scoped>
.field-wrap {
  padding: 20px;
}
</style>